A brother helps his younger sister with her math homework, helping her work within her zone of proximal development. Which of the following is he most likely doing?
a. giving her the answers from the back of the textbook after her attempts at each problem
b. working the problems for her and then explaining his reasoning
c. explaining his strategy for solving each problem in the homework
d. scaffolding by giving her hints on the first few problems
Question 2
Which of the following is a limitation of children during Piaget's concrete operations stage of development?
a. Most children cannot yet reason about hypothetical problems that involve simultaneously coordinating numerous factors.
b. Most children cannot master the conservation of volume until after the stage of concrete operations.
c. Children are limited in their abilities to seriate objects and numbers.
d. Children are not able to master the concept of reversibility.